Here is repost of http://stackoverflow.com/questions/4423125/spring-is-it-possible-to-use-multiple-transaction-managers-in-the-same-applica question.
Here is applicationContext.xml config part:
<bean id="transactionManager1" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory1" />
<qualifier value="account"/>
</bean>
<bean id="transactionManager2" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory2" />
<qualifier value="businessData"/>
</bean>
and code using:
public class TransactionalService { @Transactional("account") public void setSomethingInAccount() { ... } @Transactional("businessData") public void doSomethingInBusinessData() { ... } }
So, as you see we can simply use several connections with transaction management in Spring application.
See also,
http://static.springsource.org/spring/docs/3.0.x/spring-framework-reference/html/transaction.html#tx-multiple-tx-mgrs-with-attransactional
Enjoy!